12331021301 has 2 divisors, whose sum is σ = 12331021302. Its totient is φ = 12331021300.

The previous prime is 12331021267. The next prime is 12331021319. The reversal of 12331021301 is 10312013321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8041426276 + 4289595025 = 89674^2 + 65495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12331021301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12331021301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12331029301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165510650 + 6165510651.

It is an arithmetic number, because the mean of its divisors is an integer number (6165510651).

Almost surely, 2^12331021301 is an apocalyptic number.

It is an amenable number.

12331021301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331021301 is an equidigital number, since it uses as much as digits as its factorization.

12331021301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12331021301 its reverse (10312013321), we get a palindrome (22643034622).

The spelling of 12331021301 in words is "twelve billion, three hundred thirty-one million, twenty-one thousand, three hundred one".